Madbull 60 Degree Normal Shark Hopup Bucking (Blue) GBB Pistol Internal Parts Consider 80-degree alternatives for CO2

Consider 80-degree alternatives for CO2 setups

Madbull M150 Non-Linear Spring

Enhance performance by at least 15% comparing to the stock barrel

including the AKMS

Madbull 60 Degree Normal Shark Hopup Bucking (Blue) GBB Pistol Internal Parts Consider 80-degree alternatives for CO2Madbull 60 Degree Normal Shark Hopup Bucking (Blue). Standard shark fin internal teeth design for consistent backspin. 60 Degree rubber is softer than typical 80 90 degree rubber easier installation, better air seal at standard FPS ranges. Suitable for AEGs running sub 400 FPS with 0. 20 0. 28g BBs. Compatibility & Application Guide Compatible Platforms Platform Model Variant Notes Tokyo Marui M4 M16 AEG All variants Direct fit, standard AEG cut Tokyo